Device for preventing drying of nib of cartridge type pen

Details Device for preventing drying of nib of cartridge type pen Device for preventing drying of nib of cartridge type pen

1984-01-12

1987-02-17

Bratlie, Steven A.

Coating implements with material supply

Bifurcate pointed nib tool

Including reservoir and feeder

401202, 401213, 401245, 401247, B43K 900

Patent

active

046436057

ABSTRACT:
A device for preventing the drying of the nib of a cartridge type pen, wherein a cartridge type ink container provided with a nib and used to directly contain ink or contain an absorbent loaded with the ink and to supply the ink to the nib through a relaying material, a vent hole is made in a nose cone of the ink container at a position close to the nib, packing is provided between the outside peripheral surface of the ink container and a penholder at the position close to the vent hole to prevent the vent hole from communicating with the outside air, the nib is provided with elastic material such as rubber and plastics in the cap, a blind hole is made in the lower end surface to insert the nib, the opening of the blind hole is shut at the front end of the nose cone of the holder or the front end of the nose cone of the ink container to cut off the communication of the inside of the blind hole with the outside air, and both used to cut off the communication of the vent hole with the outside air by means of the packing is employed to prevent the ink in the nib from drying up.

REFERENCES:
patent: 3446563 (1969-05-01), Burnham
patent: 3502417 (1970-03-01), Hartman
patent: 3525573 (1970-08-01), Fend
patent: 3554658 (1971-01-01), Malm et al.
patent: 4544297 (1985-10-01), Grossiord

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